Degradation of materials for oral rehabilitation implanted in therapeutic dental solutions

TCC (undergraduate) - Federal University of Santa Catarina. Health Sciences Center. Dentistry.Introduction: There is currently a great demand for the use of dental implant systems for the replacement of missing teeth. Faced with this demand, the aesthetic requirement is increasing, and new materials have been developed for implant-supported rehabilitation. The objective of this study was to compare the topography of titanium and zirconia samples, before and after exposure to topical gels of Sodium fluoride at 12300 ppm and 36% carbamide peroxide. Materials and methods: Samples of zirconia, commercially pure titanium (Ti-cp) and Ti6Al4V alloys were prepared with silicon carbide sieves up to 2500 mesh, polished with (0.1 to 1 μm) and with colloidal silica solution (0.04 μm) under polystyrene lubrication. Afterward, all samples were cleaned under immersion in isopropyl alcohol for 15 min and in distilled water for 5 min in an ultrasonic bath. The roughness analysis was performed by optical profilometry, measuring the Ra and Rt parameters before and after immersion in the therapeutic solutions for 15 min. Images by scanning electron microscopy (SEM) were performed to inspect the topographic changes. Results: Titanium-based samples, when submitted to fluoride applications, showed visible topographic changes in images obtained by SEM, and by statistically relevant optical profile, with the Ti-cp samples showing the greatest changes. When subjected to the application of 35% hydrogen peroxide, the titanium samples showed discrete changes. Conclusions: Zirconia presented greater chemical resistance to the action of the solutions tested in comparison with Ti-cp and Ti6Al4V. Sodium fluoride 12300ppm was aggressive to the surfaces of titanium-based materials. The exposure of zirconia, Ti-cp and Ti6Al4V to hydrogen peroxide for 16 minutes did not promote marked but statistically relevant topographic changes (p <0.05). Currently, there is a large demand on the use of osseointegrated dental implants Systems to replace missing teeth. Due to this demand, the need for aesthetic is increasing and new materials have been developed for implant-supported rehabilitation. However, little is known about the corrosive effects that dental therapeutic substances may cause in these materials. Objectives: This study aimed to compare the topography of titanium and zirconia samples before and after exposure to topical gels of sodium fluoride at 12300 ppm and Carbamide peroxide at 36%. Materials and Methods: Zirconia samples, commercially pure titanium (cp-Ti) and alloys Ti6Al4V samples were prepared with SiC paper up to 2500 mesh, polished with diamond pastes (between 0.1 and 1 μm) and silica colloidal solution (0.04 μm) Along with polisher under lubrication. Then, all samples were cleaned by soaking in isopropyl alcohol for 15 min and distilled for 5 min in the ultrasonic bath. Analysis of surface roughness was performed by optical profilometry, measuring the Ra and Rt parameters before and after application of therapeutic solutions for 15 min. Images obtained by scanning electron microscopy (SEM) were performed in order to inspect the topographical changes. \ Ud Results: The titanium-based samples, when exposed to fluoride applications presented visible topographical changes on images obtained by SEM and optical profilometry, statistically relevant, Being the Ti-cp samples that presented the greatest alteration. When subjected to the application of 35% hydrogen peroxide, titanium samples presented minor changes. The zirconia, exposed to both substances presented in the significant alterations, nevertheless statistically relevant. \ Ud Conclusions: Zirconia presented higher chemical resistance to the action of the tested solutions compared to the Ti-cp and Ti6Al4V. Sodium fluoride 12300ppm proved to be aggressive on surfaces of titanium-based materials. (P <0.05), but did not cause major topographical changes, however statistically relevant (p <0.05)

By Johanna Koch Schmitz
Source: https://core.ac.uk/display/30412757
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How to set up a health clinic

Warning: Before getting to know this business, it is worth mentioning that the following topics are not part of a Business Plan but rather the profile of the environment in which the entrepreneur will envisage a business opportunity as described below. The purpose of all of the following topics is to demystify and give an overview of how a business positions itself in the market. What are the variables that most affect this type of business? How do these market variables behave? How do you get the information you need to take the initiative?

According to the Federal Constitution of 1988, it is the duty of the State to guarantee health for the entire population. Therefore, in 1990, the Government created the Unified Health System (SUS), governed by Law 8.080. The Law states that SUS is composed of federal, state and municipal public organs and institutions of the Direct and Indirect Administration and of foundations maintained by the Public Power and that the private initiative may participate in the Unified Health System (SUS), in a complementary manner. However, the law also states that health care services are free to the private sector, provided that ethical principles and norms issued by the SUS management body are observed, which authorize and control private health care services, characterized by Acting, on its own initiative, of legally qualified liberal professionals and legal entities of private law in the promotion, protection and recovery of health.

This opens up space for entrepreneurship in health services, through health clinics in their various specialties. The clinics can be establishments with hospitalization, without hospitalization or of support to the diagnosis and therapy. The private sector predominates in establishments with hospitalization and in support of diagnosis and therapy.

The clinics work in the most diverse activities. In relation to small enterprises, specialization is notable, that is, care in only one or some related areas of medicine. It is a fertile field for newly trained professionals who, despite understanding health as the state's responsibility, do not want to spend their entire career as public servants with reduced growth prospects. In the same way, the most recognized professionals in their specialties, achieve better income when working as entrepreneurs in their own clinics.

The prospects are not modest for a business in the field of health clinics, because it is a commodity of first necessity, with extremely closed niches, opening opportunities for those who can add value and differentiate by specialty. Depending on the specialty you can get a unique place in the market, but there is also the risk of strong competition, as in the example of dental offices.

The income comes directly from families, final consumers of health services, or through agreements with health insurance plans and insurers.
This document does not replace a business plan. To elaborate it look for the Sebrae

Source : sebrae
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Health plan: business model bankrupt?

Img by cnbc.com


Are there business models that come to an end? Can big companies end up because they have not been able to adapt to the changing times? Of course yes. Those who are over 30 years old have probably heard their parents tell that the phone used to be an investment. One bought a line and could even declare it in the income tax.

This model went bankrupt and others still breathe for gadgets hoping for a magical solution that will take them away from the industrial mindset. This is the case with health care providers. If in the 1960s they became the main solution for the public to get rid of the precarious public system, today they are the ones that suffer from scrapping.

On the one hand, doctors who earn few reals to make a care. On the other, the patients, who pay dearly for the plan, but can not enjoy the contracted network. In the midst of this dissatisfaction, a model of bureaucratic management, inflated and expensive for all, including for the operators.

After the emergence of ANS, which regulates the sector, there was a change in the movement of the main players in an attempt to adapt to the demands. But the essence of the business model has not changed. It pays dearly for the DISEASE to the detriment of HEALTH. The promotion of healthy living, quality of life and responsible use of medical services are not included in the operators' booklet.

Are they going to survive? In this model, I hope not. The health sector in Brazil today is a fertile ground for innovation, exploring new business models that meet market expectations and combine profit, efficient management, and innovation.

Source : opulodogato


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International Health Insurance

Smart Exchange offers the best international health insurance option. When you are abroad the worst thing that can happen are you get sick or have some kind of accident. Imagine going through this without the support of a company with local service and without a quality insurance. Insurance abroad is serious.


Smart Exchange takes all steps so you can have a result trip, comfortable and safe. In many destinations, the international health insurance for foreign students is required. We work with a Canadian insurance company, serious and with below-market prices in Brazil, and offer the best coverage of the market, up to 2 million dollars.


Remember that like any insurance, there are limitations. Click here to see in detail the policy.


Pre-exist diseases and allergies are not covered by this or any other insurance.

Most of the time you use the insurance will have to pay the expense and to seek reimbursement, which usually occurs within 30 days. In case of medical emergency, our local team will be responsible for contacting the insurer so that expenses can be paid directly by them. But visits and simple queries will be charged directly from you, and you must request the refund.


When you are abroad remembered to take their medicines in sufficient quantity for the period of absence. Also remember to take with you the prescription if the immigration officer wants to verify. Do not take drugs out of the original packaging. Many simple remedies such as anti-conception which is anti-inflammatory in Brazil are sold without prescription, can only be acquired abroad with a prescription.


If necessary other than emergency, you should pay and seek reimbursement occurring within 30 days.


In emergency cases, you can use your international health insurance directly. If possible please contact us or directly with the insurer, we take care of everything, if you cannot contact us, ask someone else does on their behalf.


Always with you a portfolio of their international health insurance, this document is provided for us after payment of insurance in Brazil is required by many countries for entry on arrival, immigration and make your faster service if necessary.


If you are in Canada, the Canadian exchange, our company specialized in Canada and one with stores in Vancouver and Toronto, will assist you wherever possible in scheduling and direct care clinics in those cities.



Schedule now a visit at one of our offices and meet the best program options and the right international health insurance for their course.
Source : intercambiointeligente
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Dentists want measures to control health insurance

The Dental Association requires the Government to take urgent steps to ensure greater protection of consumers who take out insurance and health plans.

In a comment to a study of Regulatory Authority of Health (ERS), the Order considers the serious situation of oligopoly in health insurance and the lack of legislation in health insurance contracts.

The dentistry is "particularly affected" since it is essentially exercised by the private sector, which are especially relevant insurance and health plans.

"Action is needed on this runaway 'refers to the Dental Association in a statement, noting that both insurance companies control more than half of the Portuguese health insurance market.

In the case of health insurance, the situation is considered 'more serious' because it lacks legislation governing such contracts, and that makes the person signing a plan has no way to guarantee their rights.

"These allegations are serious and require immediate action by the legislature and governor. The difficult economic situation facing the country is prone to abuse that needs to be combated to because there are cases where the quality of the provision of medical services may be concerned 'advocate dentists.

In the study "Insurance and citizens 'access to health care' to which the Lusa had access, ERS points to the existence of an oligopoly in health insurance in Portugal, as the two largest competitors dominate most of the market.

The LRA said that "the concentration ratio of the two largest competitors, measured by the sum of its market share exceeds 50%."

Data presented in this study indicate that the market share of Loyalty is 32.2%, followed by Western Insurance (23.3%), Allianz (7.9%), the Tranquility (6.7%), Victoria Insurance (5%), BES Seguros (4.8%), AXA Insurance (3.7%), oreana (3.5%), Generali (3.4%) and Lusitania Insurance (1, 9%).

Source : o-seguro-de-saude
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Health Insurance Travel: assistance 24 hours 365 days of the year

Travel Safely cost little and prevents drawbacks. Hiring a Travel Insurance you can get immediate assistance in any country and at any time without excessive costs or early termination of your trip.

With insurance, you ensure the quality of your trip and agility in case you need some urgent service, for example, by a simple phone call, the traveler can ask for help and be served in their own language at any time during the 365 days of the year.

Choose your travel insurance according to your own needs. In ComparaOnline, you can contrast all insurance companies and find the most suitable insurance according to quality and price. On the site, you will receive several offers, specifying the price of deductibles and maximum coverage, and then you can buy online, from your home or office.

Travel Insurance

Coverage of a travel health insurance
- Medical care in case of illness

- Medical assistance for accident

- Medicines

- Emergency Medical Transfer

- Emergency Dentistry

- Hospital charges

- Legal Assistance

- Repatriation

- Administrative Repatriation

- Luggage Location

- Assistance in case of theft or loss of documents, credit cards, airline tickets, passport, etc.

- Repayment of delayed or canceled flights.
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Why should I buy life insurance?


Quite a few monetary authorities consider life insurance to get the actual essence of noise monetary preparing. It could be a significant application inside the using circumstances:

Change cash flow intended for dependents.

If folks depend on your earnings, life insurance can certainly replace that cash flow for him or her if you perish. Essentially the most generally identified situation with this will be mom and dad together with young children. Even so, it can also sign up for partners when the survivor could be economically upset by the cash flow lost over the loss of life of your partner, also to center grown ups, including mom and dad, brothers and sisters or even grownup young children whom carry on and depend on you economically. Insurance plans to change your earnings might be, in particular, helpful if the government- or even employer-sponsored features about your enduring husband or wife or even home-based partner are going to be lowered immediately after your loss of life.

Pay out closing expenses

Insurance coverage is beneficial for your funeral service and also burial charges, probate and also other house current administration charges, financial obligations and also medical expenses not really covered by medical insurance.

Build a great monetary gift to your heirs

Although you may don't have any different assets to be able to go for an heir, you are able to build a great monetary gift by simply investing in a life insurance coverage and also naming these since beneficiaries.

Pay out government “death” income tax and also condition “death” income tax

Insurance coverage advantage is the beneficial house income tax which means your heirs will not have to be able to liquidate different assets or even have a smaller monetary gift. Adjustments inside the government “death” levy policies concerning today and also January 1, 2011 will likely reduce the actual effect with this levy about some individuals. However, many express tend to be offsetting those people governments lowers together with increases into their state-level “death” income tax.

Help makes substantial non-profit advantages.

By means of setting up a charity the actual inheritor you could have insurance, you can make a bigger factor than if you donated the bucks comparative of the policy’s prices.

Build a cause of cost savings

Several varieties of life insurance develop an income value that, otherwise settled being a loss of life advantage, might be assimilated or even taken within the owner’s request. Considering that the majority of people help to make forking over their lives insurance coverage prices a high main concern, investing in a cash-value variety insurance plan can cause a kind of “forced” cost savings approach. Additionally, the interest credited will be levied deferred (and levy exempt if the cash is paid being a loss of life claim).
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